M9L3 M9L4

a situation in which the conflicting parties, by each pursuing their self-interest rather than the good of the group, become caught in mutually destructive behavior. Extreme short term competition ruins long term utility.

• Social inhibition
• Deindividuation
• Social trap
• In-group bias

judging a person's own ethnic, racial, or national group as "correct" or "best" and judging outgroups by that standard.

• Ethnocentrism
• Game theory
• Scapegoating theory
• In-group bias

the tendency to recall faces of one's own race more accurately than faces of other races

• In-group bias
• Outgroup homogeneity
• Diffusion of responsibly
• Other race effect

The mere presence of others can improve performance on simple or well-practiced tasks

• Social inhibition
• Outgroup homogeneity
• Social facilitation
• Other race effect

the pre-judgment, a positive or negative attitude toward another person or group formed in advance of any experience with that person or group.

• In-group bias
• Prejudice
• Deindividuation
• Bystander effect

the tendency to view members of outgroups as more similar to each other than we see members of ingroups

• In-group bias
• Other race effect
• Outgroup homogeneity
• Diffusion of responsibly

the mode of thinking that occurs when the desire for harmony in a decision-making group overrides a realistic appraisal of alternatives

• Group polarization
• Stereotype
• Group think
• Social loafing

the tendency for individuals to think others will help, so they do not intervene.

• Other race effect
• Diffusion of responsibly
• In-group bias
• Outgroup homogeneity

The mere presence of others ca impair performance on tasks that one is not particularly good at.

• Deindividuation
• Other race effect
• Social inhibition
• Social facilitation

the tendency for humans to be more helpful and positive towards members of their own group over members of an out-group

• Other race effect
• In-group bias
• Bystander effect
• Outgroup homogeneity